update:对接会员限制次数

src/util.js

@@ -11,11 +11,13 @@ export const debounce = (fn, delay = 300) => {
   let timer = null;
   return async (...args) => {
     if (timer) clearTimeout(timer);
-    return new Promise((resolve) => {
+    return new Promise((resolve, reject) => {
       timer = setTimeout(async () => {
         try {
           const result = await fn(...args);
           resolve(result);
+        } catch (error) {
+          reject(error);
         } finally {
           timer = null;
         }
@@ -24,6 +26,28 @@ export const debounce = (fn, delay = 300) => {
   };
 };
 
+export const isUnlimitedLimit = (item = {}) => Number(item.limit) === -1;
+
+export const getLimitCountText = (label, item = {}) => {
+  if (!item || isUnlimitedLimit(item)) return "";
+  const count = Number(item.count || 0);
+  const limit = Number(item.limit || 0);
+  return `今日${label}次数：${count}/${limit}`;
+};
+
+export const isLimitReached = (item = {}) => {
+  if (!item || isUnlimitedLimit(item)) return false;
+  return Number(item.count || 0) >= Number(item.limit || 0);
+};
+
+export const isLimitError = (error) => {
+  const message = typeof error === "string" ? error : error?.message;
+  return String(message || "").includes("已达上限");
+};
+
+const isShareCancel = (error) =>
+  String(error?.errMsg || error || "").toLowerCase().includes("cancel");
+
 export const wxShare = async (canvasId = "shareCanvas") => {
   try {
     // 先尝试按 id 查找 <canvas type="2d"> 节点
@@ -54,35 +78,63 @@ export const wxShare = async (canvasId = "shareCanvas") => {
           quality: 1,
           success: (r) => {
             const p = r.tempFilePath || r.apFilePath || r.filePath;
+            if (!p) {
+              reject(new Error("share image path is empty"));
+              return;
+            }
             resolve(p);
           },
           fail: reject,
         });
       });
-      wx.showShareImageMenu({
-        entrancePath: "pages/index",
-        path: tempPath,
+      await new Promise((resolve, reject) => {
+        wx.showShareImageMenu({
+          entrancePath: "pages/index",
+          path: tempPath,
+          success: resolve,
+          fail: (error) => {
+            if (isShareCancel(error)) {
+              resolve({ canceled: true });
+              return;
+            }
+            reject(error);
+          },
+        });
       });
       return tempPath;
     }
 
     // 回退：旧版非 2D 画布（通过 canvasId 导出）
-    const res = await uni.canvasToTempFilePath({
-      canvasId,
-      fileType: "png",
-      quality: 1,
+    const res = await new Promise((resolve, reject) => {
+      uni.canvasToTempFilePath({
+        canvasId,
+        fileType: "png",
+        quality: 1,
+        success: resolve,
+        fail: reject,
+      });
     });
-    wx.showShareImageMenu({
-      entrancePath: "pages/index",
-      path: res.tempFilePath,
+    const tempPath = res.tempFilePath || res.apFilePath || res.filePath;
+    if (!tempPath) {
+      throw new Error("share image path is empty");
+    }
+    await new Promise((resolve, reject) => {
+      wx.showShareImageMenu({
+        entrancePath: "pages/index",
+        path: tempPath,
+        success: resolve,
+        fail: (error) => {
+          if (isShareCancel(error)) {
+            resolve({ canceled: true });
+            return;
+          }
+          reject(error);
+        },
+      });
     });
-    return res.tempFilePath;
+    return tempPath;
   } catch (error) {
     console.log("生成图片失败:", error);
-    uni.showToast({
-      title: "生成图片失败",
-      icon: "error",
-    });
     throw error;
   }
 };